About Us

Zygo is a global leader in the design and manufacture of advanced optical metrology systems and ultra-precise optical components and assemblies.

Our mission is to enable customer success by delivering innovative precision optical and metrology solutions that exceed expectations.

Zygo manufactures high-precision products in the following categories:

3D Optical Profiler Systems
Laser Interferometer Systems
Absolute Position Sensors
Displacement Position Sensors
Optical Components
Optical Assemblies

Zygo's competencies and success stem from the core values embedded in the DNA of the company - a passion for precision, an obsession with quality, integrity in customer relationships, and pride in everything we do.

We have a large and highly knowledgeable team of experts in the fields of precision metrology and optics who deliver exceptional results for our customers by constantly pushing the boundaries of what is possible. Our passion for innovation is evidenced by approximately 750 patents awarded since the company's founding. As a vertically integrated company, our teams work collaboratively under one roof.

Founded in 1970, and headquarters in Middlefield, Connecticut, Zygo's global presence is supported by over 600 dedicated and highly-skilled individuals.

In 2014, Zygo became part of the Ultra Precision Technologies Division of AMETEK, Inc., a leading global manufacturer of electronic instruments and electro-mechanical devices. Zygo enjoys mutually-beneficial relationships with its Ametek sister companies, collaborating on technologies and sharing resources in order to provide the best possible experience for our customers.

While we are a part of the Ametek family, we are still the same Zygo that you have known and trusted for over 50 years, committed to serving your precision metrology and optics needs now and in the future.